Alzheimer's disease (AD) is the most common form of dementia which refers collectively to syndromes of progressive deterioration of memory along with other cognitive domains such as language, praxis and executive function. More than 70 million people worldwide have dementia currently and AD accounts for over 50% of all...

Cholera is an acute diarrhoeal disease that usually presents as abrupt massive watery diarrhoea and vomiting. The causative organism is Vibrio cholerae which is divided into serogroups based on the somatic O antigen. Only O1 and O139 serogroups are known to cause epidemic and pandemic disease. This article is available...

Intravenous tPA is a proven treatment for acute ischaemic stroke. However as it has to be given in a narrow time window from symptom onset, utilisation is limited by delayed arrival of most patients to hospital. This article is available only as a PDF. Please click on “Download PDF” on...

Optical coherence tomography (OCT) has become an indispensable tool in the management of retinal and optic nerve diseases as well as in clinical trials. In late 1996, the earliest commercially available OCT had an axial resolution of approximately 17 μm. This article is available only as a PDF. Please click...

Peripheral arterial disease (PAD) is a significant complication of diabetes mellitus and accounts for the majority of amputations among these patients with diabetes. In addition, PAD is a manifestation of systemic atherosclerosis and is associated with increased risk of death and ischaemic events. This article is available only as a...